#!/bin/sh

# Slackware build script for nethack

# Written by (Wade Nelson) (wade.nels@gmail.com)

PRGNAM=nethack
VERSION=${VERSION:-3.4.3}
SRCSUFFIX=343-src
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
fi

set -e 

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$SRCSUFFIX.tgz
cd $PRGNAM-$VERSION
chown -R root:root .
find . \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

# build configuration
patch -p0 < $CWD/patches/config_h.patch
patch -p0 < $CWD/patches/unixconf_h.patch
patch -p0 < $CWD/patches/Makefile_src.patch
patch -p0 < $CWD/patches/Makefile_top.patch
patch -p0 < $CWD/patches/Makefile_utl.patch
cd sys/unix/ && sh setup.sh && cd ../../
patch -p0 < $CWD/patches/Makefile_doc.patch

# build & install
make all
make install DESTDIR=$PKG
make manpages DESTDIR=$PKG

# launchers & menu entries
mkdir -v -p $PKG/usr/share/{applications,pixmaps}
cat $CWD/files/nethack-qt > $PKG/usr/bin/nethack-qt
cat $CWD/files/nethack-x11 > $PKG/usr/bin/nethack-x11
chmod a+x $PKG/usr/bin/nethack{-qt,-x11}
cp -v win/X11/nh_icon.xpm $PKG/usr/share/pixmaps/nethack.xpm
cat $CWD/files/nethack.desktop > $PKG/usr/share/applications/nethack.desktop
cat $CWD/files/nethack-qt.desktop > $PKG/usr/share/applications/nethack-qt.desktop
cat $CWD/files/nethack-x11.desktop > $PKG/usr/share/applications/nethack-x11.desktop

# documentation
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp README doc/{Guidebook,dgn_comp,dlb,lev_comp,nethack,recover}.txt \
   sys/unix/README.linux win/Qt/Install.Qt win/X11/Install.X11 \
   $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)

( cd $PKG/usr/man
  find . -type f -exec gzip -9 {} \;
  for i in $( find . -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
)

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.tgz
